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romanna [79]
4 years ago
12

Please help!

Mathematics
1 answer:
igor_vitrenko [27]4 years ago
4 0

Answer:

c

Step-by-step explanation:

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(-14+3i)-(14i) = ?<br> Express your answer in the form<br> (a + bi).
gayaneshka [121]

Answer:

-14 - 11i

Step-by-step explanation:

You may be learning about the imaginary number, i. Even though i is actually the squareroot of -1, when you are doing algebra with it, it acts just like a variable does. The special thing to remember about i is that i^2 is -1. But we don't even need that right now for this problem.

(-14 + 3i) - (14i)

= -14 + 3i - 14i

Combine the i's

= -14 - 11i

That's it. The -14 is the a, and the -11 is the b in a+bi.

If necessary to fill in a computer answer that is already formatted with a plus, like:

_ + _i

then use -14 for a and -11 for b.

6 0
2 years ago
True or false 49 is a irrational number
sergejj [24]

Answer:

<h2><u>False</u></h2>

Step-by-step explanation:

49 is a rational number.

Hope this helps:)

3 0
4 years ago
Read 2 more answers
A shoe store donated a percent of every sale to hospitals. The total sales were $8900 so the store donated $356. What percent of
kolezko [41]

Answer:

4%

Step-by-step explanation:

Given data

The total sales= $8900

Donated amount=$356

Hence the percent donated is

=Donated amount/Total Sales *100

= 356/8900*100

=0.04*100

=4%

Hence the donated percent is 4%

3 0
3 years ago
Stuck on this please help!!
Dmitry [639]

Answer:

welp i got -2x+89

Step-by-step explanation:

8 0
3 years ago
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Please help NOW!!!! 20 Points!<br><br> how is this number expressed in decimal notation? 2 x 10-5
Sonbull [250]

1.5 × 10 to the 1 st power

4 0
4 years ago
Read 2 more answers
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